<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程名" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入课程名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['business:course:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['business:course:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['business:course:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['business:course:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="courseList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <!--      <el-table-column label="id" align="center" prop="id" />-->
      <el-table-column label="课程名" align="center" prop="name"/>
      <el-table-column label="课程详情" align="center" prop="detail" show-overflow-tooltip/>
      <el-table-column label="课程图片" align="center" prop="courseImage" width="100">
        <template slot-scope="scope">
          <image-show :ossId='scope.row.courseImage'/>
        </template>
      </el-table-column>
      <el-table-column label="课程状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.business_course_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="开课教练" align="center" prop="trainMan.name">

      </el-table-column>
      <el-table-column label="开始时间" align="center" prop="startTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.startTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="截止时间" align="center" prop="endTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="排序" align="center" prop="sort"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['business:course:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['business:course:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改course对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="课程名" prop="name">
          <el-input v-model="form.name" placeholder="请输入课程名"/>
        </el-form-item>
        <el-form-item label="课程详情" prop="detail">
          <el-input type="textarea" v-model="form.detail" placeholder="请输入课程详情"/>
        </el-form-item>
        <el-form-item label="课程图片" prop="courseImage">
          <!--          <image-upload v-model="form.courseImage"/>-->
          <FileUpload
            v-model="form.courseImage"
            :fileType="['jpg' ,'png']"
            :fileSize="100"
            :limit="1"
          />
        </el-form-item>
        <el-form-item label="课程状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择课程状态">
            <el-option
              v-for="dict in dict.type.business_course_status"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="开课教练" v-if="isAdmin">
          <el-select v-model="form.trainManId" placeholder="请选择开课教练">
            <el-option
              v-for="ref in trainManInnerObj"
              :key="ref.refField + ''"
              :label="ref.showField"
              :value="ref.refField + ''"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="开始时间" prop="startTime">
          <el-date-picker clearable
                          v-model="form.startTime"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="截止时间" prop="endTime">
          <el-date-picker clearable
                          v-model="form.endTime"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择截止时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input-number v-model="form.sort" :min="0" placeholder="请输入排序"></el-input-number>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import {listCourse, getCourse, delCourse, addCourse, updateCourse} from "@/business/api/course";
  import {queryRefTrainManInnerObj} from '@/business/api/trainMan'
  import FileUpload from '@/components/FileUpload/index'
  import ImageShow from '@/components/ImageShow/index'

  export default {
    name: "Course",
    dicts: ['business_course_status'],
    computed: {
      isAdmin() {
        let roles = this.$store.getters.roles
        for (let i = 0; i < roles.length; i++) {
          if (roles[i] === 'admin' || roles[i] === 'sub_root') {
            return true;
          }
        }
        return false
      }
    },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // course表格数据
        courseList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          name: null,
          status: null,
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          name: [
            {required: true, message: '请输入课程名', trigger: 'blur'},
          ],
          detail: [
            {required: true, message: '请输入课程详情', trigger: 'blur'},
          ],
          courseImage: [
            {required: true, message: '请输入课程图片', trigger: 'blur'},
          ],
          status: [
            {required: true, message: '请输入课程状态', trigger: 'blur'},
          ],
          startTime: [
            {required: true, message: '请输入开始时间', trigger: 'blur'},
          ],
          endTime: [
            {required: true, message: '请输入截止时间', trigger: 'blur'},
          ],
          sort: [
            {required: true, message: '请输入排序', trigger: 'blur'},
          ]
        },
        // 教练内部对象
        trainManInnerObj: []
      };
    },
    components: {
      FileUpload,
      ImageShow
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询course列表 */
      getList() {
        this.loading = true;
        listCourse(this.queryParams).then(response => {
          this.courseList = response.rows;
          this.total = response.total;
          this.loading = false;
        });

        // 查询教练内部对象
        queryRefTrainManInnerObj().then(response => {
          if (response.code === 200) {
            this.trainManInnerObj = response.data
          }
        })
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          name: null,
          detail: null,
          courseImage: null,
          status: "0",
          startTime: null,
          endTime: null,
          createTime: null,
          updateTime: null,
          updateBy: null,
          sort: null
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加课程";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getCourse(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改课程";
        });
      },
      /** 提交按钮 */
      submitForm() {

        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != null) {
              updateCourse(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addCourse(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除course编号为"' + ids + '"的数据项？').then(function () {
          return delCourse(ids);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {
        });
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('business/course/export', {
          ...this.queryParams
        }, `course_${new Date().getTime()}.xlsx`)
      }
    }
  };
</script>
